ca. 71 p. A report submitted to the National Resources Committee and the state planning boards of Washington and Oregon by the Pacific Northwest Regional Planning Commission, Columbia Gorge Committee, detailing...

ca. 71 p. A report submitted to the National Resources Committee and the state planning boards of Washington and Oregon by the Pacific Northwest Regional Planning Commission, Columbia Gorge Committee, detailing...

Sepia image. Seen from above, the Pillars of Hercules rock formation faces the Columbia River. In the left foreground is a winding road that passes between the Pillars. There are four utility poles alongside...

Sepia image of the rock formation known as Palisades -- a segment of the Columbia River basalt formations. The Palisades sit up on the hillside above the banks of the Columbia. At the base of the rock formation...

Sepia image. Seen from above, the Pillars of Hercules rock formation faces the Columbia River. In the left foreground is a winding road that passes between the Pillars. There are four utility poles alongside...

Colored image of Castle Rock on the Columbia River. This is a winter scene with snow on the riverbanks and tree limbs. Bare trees line the riverbanks of the Columbia River, merging with the green fir trees in...

Sepia image of the rock formation known as Palisades -- a segment of the Columbia River basalt formations. The Palisades sit up on the hillside above the banks of the Columbia. At the base of the rock formation...

A landscape photograph of a paved roadway probably crossing the Columbia River. The view is looking down the river, with mountains and tree-covered hillsides visible on both sides of the river. On the left side...

A landscape photograph of a paved roadway probably crossing the Columbia River. The view is looking down the river, with mountains and tree-covered hillsides visible on both sides of the river. On the left side...

Colored image. Seen from above, the Pillars of Hercules rock formation faces the Columbia River. In the left foreground are winding train tracks identified as the "O. R. R. & Nav. Co. Road" that passes between...